.main{
	width: 100%;
	height: 100%;
	position: fixed;
}
.bottom{
	width: 100%;
	background-color: #efeff4;
	padding: 15px 30px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	font-size: 6vw;
	font-weight: bold;
	bottom: 0;
	left: 0;
	position: fixed;
}
.center-img{
	width: 50vw;
	height: 50vw;
	margin-left: 25vw;
}
.scan-list{
	margin-top: 30px;
	display: flex;
	justify-content: center;
}
.key-item{
	color: #666;
}
.color-red{
	margin-left: 10px;
}